Recreational vehicle voltage booster



FIG. 1 of the drawings is an isometric view showing the front, top, and left side of a recreational vehicle voltage booster embodying the design of my invention;

FIG. 2 is a top view of the appliance;

FIG. 3 is a front view;

FIG. 4 is a left side view;

FIG. 5 is a right side view;

FIG. 6 is a back view; and,

FIG. 7 is a bottom view. 

I claim the ornamental design for a recreational vehicle voltage booster, as shown. 